Average Co-Inventor Count = 2.80
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Rothmans, Benson & Hedges, Inc. (5 from 40 patents)
5 patents:
1. 6223895 - Two-pack kit for packaging make-your-own cigarettes
2. D427369 - Two-pack cigarette package
3. 5709228 - Cigarette with decreased sidestream smoke
4. 5379788 - Multiple-smoking cigarette system
5. 5374869 - Cigarette system